Md-flt17600l Light Source: Smd Led Solar Panel: Monocrystalline Silicon 5v 25w Solar Battery Charging: 4~6hours Working Time(Full Charge): > 12hours Continuous Cloudy And Rainy Days: 3-5 Days Batteries:3.2v 20ah Lifepo4 Battery Body Size: 365x260x51mm Solar Panel Size: 390x390x16mm Optical/time/remote Control